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#!/bin/sh
# PCP QA Test No. 1704
# Exercise the bpftrace PMDA - maps
#
seq=`basename $0`
echo "QA output created by $seq"
. ./common.bpftrace
_pmdabpftrace_check
echo "tracepoint:syscalls:sys_enter_kill" >$tmp.tmp
_pmdabpftrace_check_probes $tmp.tmp
status=1 # failure is the default!
_prepare_pmda bpftrace
trap "_pmdabpftrace_cleanup; exit \$status" 0 1 2 3 15
_stop_auto_restart pmcd
# real QA test starts here
cat <<EOF | _pmdabpftrace_install
# Installed by PCP QA test $seq on `date`
[dynamic_scripts]
enabled = true
auth_enabled = false
EOF
sleep 60 &
sleep_pid=$!
echo "=== start bpftrace script ==="
pmstore bpftrace.control.register "// name: testscript
tracepoint:syscalls:sys_enter_kill /args->pid == $sleep_pid/ { @signals[args->sig] = count(); }" | sed -e "s/$sleep_pid/PID/"
_pmdabpftrace_wait_for_value bpftrace.scripts.testscript.probes 2
echo "=== check metrics ==="
pminfo -dfmtT bpftrace.scripts.testscript.data.signals
kill -CHLD $sleep_pid
pmsleep 2 # bpftrace prints eBPF maps every second -> wait 2s to be sure
pminfo -dfmtT bpftrace.scripts.testscript.data.signals
kill -TERM $sleep_pid
pmsleep 2
pminfo -dfmtT bpftrace.scripts.testscript.data.signals
_pmdabpftrace_remove
status=0
exit
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